Cristina and Meredith’s surgical skills are put to the ultimate test.

When Teddy’s patient seeks to end treatment and her life, she turns to Hunt for help. The situation triggers Hunt’s memories of his life at war and his past relationship…

Bailey preps the team with mandatory sensitivity training prior to admitting a 700-pound patient with compounded medical issues, and the case proves to be challenging in every sense of the…

Seattle Grace Hospital is hit with a crisis like no other in its’ history.

Owen recruits Dr. Teddy Altman, a former Iraqi veteran, as the new cardiothoracic surgeon. Cristina questions her abilities in the E.R. and relationship with Owen. Izzie returns to Seattle Grace…

Mark flies Addison to Seattle to help with a difficult procedure on his pregnant daughter, Sloan, Owen questions Teddy’s motives when she assigns Cristina the lead on a complicated surgery,…

As Derek begins his role as interim chief, he faces a potential lawsuit when Bailey and Meredith’s patient awakens from anesthesia mid-surgery. Meanwhile, Teddy refuses to place Cristina on her…

When famous surgeon Dr. Harper Avery is rushed to Seattle Grace-Mercy West, the staff is surprised to discover that one of their own is related to this legend, and his…

The residents of Seattle Grace and Mercy West vie for surgeries and their careers as day one of the hospital merger begins. Meanwhile, Arizona stands by an enraged Callie when…

After a burn victim unexpectedly dies in the midst of a chaotic ER, the Chief and board member Jennings interrogate the residents to find the culprit, as all the Mercy…

A generous 25 million donation is offered to Seattle Grace by the parents of Arizonas 10-year-old patient, she finds herself in a conflict of interest when his condition worsens. Cristina…

The Jeffersonian team investigates the death of Colin Haynes, a struggling country music singer whose remains were found in a shallow grave. When the team learns about the victim’s music…

The evolution of April and Jackson’s relationship is revealed through a series of flashbacks dating back to when they first met. Simultaneously, we follow the years-long progress of one of…

As Meredith puts Zola to bed and falls asleep, she begins to wonder — what if her mother had never had Alzheimer’s and she’d had loving, supportive parents? The reverberations…